大约有 3,516 项符合查询结果(耗时:0.0198秒) [XML]

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How to convert CSV file to multiline JSON?

...w in reader: csv_rows.extend([{field[i]:row[field[i]] for i in range(len(field))}]) convert_write_json(csv_rows, json_file) #Convert csv data into json def convert_write_json(data, json_file): with open(json_file, "w") as f: f.write(json.dumps(data, sort_keys=False, ...
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How to print third column to last column?

... printing an internal range is also possible: ``` # from $3 (included) to $6 (excluded); echo "1,2,3,4,5,6,7,8,9" | awk 'BEGIN{FS=",";OFS=","}{ print substr($0, index($0,$3), length($0)-index($0,$6)-1) }'; # gives 3,4,5``` –...
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How to convert a string with comma-delimited items to a list in Python?

...[3]: x[0] Out[3]: 'f' Strings are iterable, like lists In [4]: for i in range(len(x)): ...: print x[i] ...: f o o b a r TLDR Strings are lists. Almost. share | improve this answer ...
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Is there a JSON equivalent of XQuery/XPath?

... querying tools including filtering, recursive search, sorting, mapping, range selection, and flexible expressions with wildcard string comparisons and various operators. JSONselect has another point of view on the question (CSS selector-like, rather than XPath) and has a JavaScript implemen...
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How to break out of nested loops?

... good start, but I think the next step in skill allows you "Don't use long-range gotos". – Aatch Mar 14 '12 at 4:37 1 ...
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How to convert a string into double and vice versa?

...ndle conversion errors, you can use -[NSFormatter getObjectValue:forString:range:error:] instead. share | improve this answer | follow | ...
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How to find all occurrences of a substring?

...hes: >>> string = "test test test test" >>> [i for i in range(len(string)) if string.startswith('test', i)] [0, 5, 10, 15] share | improve this answer | f...
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Performance of Find() vs. FirstOrDefault() [duplicate]

...<string>> source = Enumerable.ToList(Enumerable.Select(Enumerable.Range(0, 1000000), i => { var local_0 = new { Name = Guid.NewGuid().ToString() }; return local_0; })); source.Insert(999000, new { Name = diana }); stopwatch.Re...
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How to populate/instantiate a C# array with a single value?

.... Similarly, you can generate integer sequences: var items = Enumerable.Range(0, 1000).ToArray(); // 0..999 share | improve this answer | follow | ...
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jQuery validation: change default error message

...gth: jQuery.validator.format("Please enter at least {0} characters."), rangelength: jQuery.validator.format("Please enter a value between {0} and {1} characters long."), range: jQuery.validator.format("Please enter a value between {0} and {1}."), max: jQuery.validator.format("Please ente...